dom/workers/test/test_fileSubWorker.xul

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 <?xml version="1.0"?>
     2 <?xml-stylesheet type="text/css" href="chrome://global/skin"?>
     3 <?xml-stylesheet type="text/css" href="/tests/SimpleTest/test.css"?>
     4 <!--
     5 https://bugzilla.mozilla.org/show_bug.cgi?id=664783
     6 -->
     7 <window title="Mozilla Bug 664783"
     8         xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
     9   <script type="application/javascript"
    10           src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>
    11   <script type="application/javascript" src="dom_worker_helper.js"/>
    13   <!-- test results are displayed in the html:body -->
    14   <body xmlns="http://www.w3.org/1999/xhtml">
    15   <a href="https://bugzilla.mozilla.org/show_bug.cgi?id=664783"
    16      target="_blank">Mozilla Bug 664783</a>
    18   <div id="content" style="display: none">
    19     <input id="fileList" type="file"></input>
    20   </div>
    22   </body>
    24   <!-- test code goes here -->
    25   <script type="application/javascript">
    26   <![CDATA[
    28   /** Test for Bug 664783 **/
    30   var fileNum = 0;
    32   /**
    33    * Create a file which contains the given data and optionally adds the specified file extension.
    34    */
    35   function createFileWithData(fileData, /** optional */ extension) {
    36     var testFile = Components.classes["@mozilla.org/file/directory_service;1"]
    37                        .getService(Components.interfaces.nsIProperties)
    38                        .get("ProfD", Components.interfaces.nsIFile);
    39     var fileExtension = (extension == undefined) ? "" : "." + extension;
    40     testFile.append("workerSubWorker" + fileNum++ + fileExtension);
    42     var outStream = Components.classes["@mozilla.org/network/file-output-stream;1"]
    43                         .createInstance(Components.interfaces.nsIFileOutputStream);
    44     outStream.init(testFile, 0x02 | 0x08 | 0x20, // write, create, truncate
    45                    0666, 0);
    46     outStream.write(fileData, fileData.length);
    47     outStream.close();
    49     var fileList = document.getElementById('fileList');
    50     fileList.value = testFile.path;
    52     return fileList.files[0];
    53   }
    55   /**
    56    * Create a worker to access file properties.
    57    */
    58   function accessFileProperties(file, expectedSize, expectedType) {
    59     var worker = new Worker("fileSubWorker_worker.js");
    61     worker.onerror = function(event) {
    62       ok(false, "Worker had an error: " + event.data);
    63       finish();
    64     };
    66     worker.onmessage = function(event) {
    67       if (event.data == undefined) {
    68         ok(false, "Worker had an error.");
    69       } else {
    70         is(event.data.size, expectedSize, "size proproperty accessed from worker is not the same as on main thread.");
    71         is(event.data.type, expectedType, "type proproperty accessed from worker is incorrect.");
    72         is(event.data.name, file.name, "name proproperty accessed from worker is incorrect.");
    73         is(event.data.mozFullPath, file.mozFullPath, "mozFullPath proproperty accessed from worker is not the same as on main thread.");
    74       }
    75       finish();
    76     };
    78     worker.postMessage(file);
    79     waitForWorkerFinish();
    80   }
    82   // Empty file.
    83   accessFileProperties(createFileWithData(""), 0, "");
    85   // Typical use case.
    86   accessFileProperties(createFileWithData("Hello"), 5, "");
    88   // Longish file.
    89   var text = "";
    90   for (var i = 0; i < 10000; ++i) {
    91     text += "long";
    92   }
    93   accessFileProperties(createFileWithData(text), 40000, "");
    95   // Type detection based on extension.
    96   accessFileProperties(createFileWithData("text", "txt"), 4, "text/plain");
    98   ]]>
    99   </script>
   100 </window>

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